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Software Engineer Hybrid Apps (m/f) - Application Framework

  • Vollzeit
  • Mit Berufserfahrung
Frühestmöglicher Eintrittstermin Februar 2015


Have you built a JavaScript framework or heavy JavaScript applications before? Did you stop using JavaScript libraries and frameworks because you started building your own? Are you interested in working in an international team with a passion for compelling, functional and easy to use interfaces? Yes, yes, yes? It sounds like we're the perfect match then, so let's have at it!



  • Design, prototype and implement an application framework using the latest JavaScript and HTML5 technologies
  • Ensure reliability, scalability and efficiency
  • Code primarily in typed object oriented JavaScript, HTML5 and CSS3
  • Conduct design and code reviews
  • Work in a dynamic team oriented environment using agile methodologies



  • Strong interest in maintainability and clean code
  • B.S. or M.S. in Computer Science, or equivalent work experience
  • 2+ years of experience developing large-scale web applications
  • Relevant experience in developing JavaScript frameworks and heavy JavaScript applications with HTML5/CSS3
  • Experience in mobile web development a big plus
  • Experience in the node.js ecosystem (npm, grunt, express, testing frameworks) a plus
  • Experience in Java a plus
  • Solid experience with git a plus
  • Interest in product and user interface design
  • Ability to quickly learn and apply new ideas



  • Strong interest in latest web and JS trends, Chromium
  • Strong interest in product and user interface design
  • Very good English communication skills
  • Ability to quickly learn and apply new ideas



  • Your smartphone, MacBook Pro and 27″ Cinema Display are waiting for you
  • Additionally you can participate in the success of the company via company stock options!
  • At NumberFour you will work as part of an international team with offices in Berlin, Hamburg and Palo Alto, CA, USA
  • You will be working in one of the hottest Start-ups with world class Management Team and investors
  • You will have the possibility of working on a product targeting millions of users worldwide, a product that has never been done before!